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Start here

Use the route pages for endpoint reference and the flag guide for the recommended creation and evaluation flow.

Common headers

X-Tenant-IDRequired on tenant-scoped admin routes.
X-API-KeyRequired on runtime flag evaluation and event routes. Identifies the application without exposing its tenant or application id.
X-Request-IDOptional trace id. Generated when omitted.
X-HostnameResolves the runtime environment for flag evaluation.
X-Visitor-IDStable anonymous id for rollout and experiment assignment.
AuthorizationBearer token required for admin routes.

Response format

Most feature-flag routes return named resources such as { flag }, { config }, or { events }. Template routes use { data }. Errors use { error: { message } }.

{
  "error": {
    "message": "Description of the error"
  }
}
DOC
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Route pages